Answer:
While we almost never get to see most of the cables, they power everything so it only makes sense that you should know what the different types of cables and wires are, so that you can pick accordingly and have your equipment, devices and appliances powered properly.
It is also important to identify cables and conductors for safety purposes, such as emergencies linked with electricity.
Resources :) You’re welcome
Answer:
If we delete record number 15 in a primary table, but there's still a related table with the value of 15, we end up with an orphaned record. Here, the related table contains a foreign key value that doesn't exist in the primary key field of the primary table. This has resulted in an “orphaned record”.
Answer : RAM is used to store computer programs and data that CPU needs in real time. ROM have prerecorded data and it is used to boot computer.
